Milky Quartz
Silicon Dioxide (SiO2)
Category
Browse mineral with metamorphic or igneous host specimens identified by the Rock Identifier community.
Milky Quartz
Silicon Dioxide (SiO2)
Banded Chert in Matrix
Microcrystalline Quartz (SiO2)
Fluorite on Matrix
Calcium Fluoride (CaF2)
Banded Agate
SiO2 (Silicon Dioxide)
Quartz (in matrix)
Quartz (SiO₂)
Epidote
Epidote Group (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))
Quartz with Muscovite Mica
Silicon Dioxide (SiO2) with Potassium Aluminum Silicate Hydroxide Fluoride (KAl2(AlSi3O10)(F,OH)2)
Green Fluorite
Calcium Fluoride (CaF2)
Tumbled Moonstone
Feldspar (Orthoclase/Albite), KAlSi3O8
Chalcopyrite
Copper Iron Sulfide (CuFeS2)
Magnetic Sand Grain / Magnetite Pellet
Magnetite (Fe3O4)
Yellow Calcite
Calcium Carbonate (CaCO3)
Gold-Bearing Quartz
Silicon Dioxide with Native Gold (SiO2 + Au)
Laterite
Laterite (no specific mineral formula as it's a rock type)
Garnet (Almandine/Pyrope series)
Silicate mineral (Almandine: Fe3Al2Si3O12; Pyrope: Mg3Al2Si3O12)
Turquoise
Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O]
Serpentinite
Serpentinite (Mg, Fe, Ni)₃Si₂O―(OH)₄
Spinifex Textured Komatiite
Komatiite (Mg-rich ultramafic volcanic rock)
Quartz (Druzy)
Silicon Dioxide (SiO2)
Strawberry Quartz (Quartz with Hematite inclusions)
Silicon Dioxide with Iron Oxide (SiO2 + Fe2O3)
Garnetiferous Pegmatite
Pegmatite with Almandine Garnet and Muscovite
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Quartz (Milky/Common Quartz)
Silicon Dioxide (SiO2)
Variscite (or potentially a turquoise/variscite matrix cabochon, or an impression jasper)
AlPO4·2H2O (Variscite) or related phosphate/silicate material depending on exact composition
Quartz (Milky and Smoky variety)
Silicon Dioxide (SiO2)
Sodalite
Sodalite, Na8(Al6Si6O24)Cl2
Magnetite / Hematite mix (Iron Ore)
Fe3O4 (Magnetite) / Fe2O3 (Hematite)
Prehnite
Prehnite (Ca2Al(AlSi3O10)(OH)2)
Milky Quartz with inclusions
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz with Iron Staining
Silicon Dioxide (SiO2)
Milky Quartz
Crystalline Silicon Dioxide (SiO2)
Quartz
Silicon dioxide (SiO2)
Muscovite Mica
Muscovite (Potassium Aluminum Silicate) - KAl2(AlSi3O10)(F,OH)2
Gold (Processed)
Gold (Au)
Green Calcite
Calcium Carbonate (CaCO3)
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Quartz Vein in Host Rock
Silicon Dioxide (SiO2) within Metasedimentary or Igneous matrix
Blue Calcite
Calcium Carbonate (CaCO3)
Quartz Geode Fragment
Silicon Dioxide (SiO2)
Basalt with Quartz Vein
Basalt (Mafic volcanic rock) with secondary Quartz (SiO2) intrusion